digital coundown timer with relay cutout.

dear sir,
I need circuit diagram for a digital countdown timer with relay cutout and FND display to see countdown timing.

thanks
vipin

What is a FND display?

dear sir, thanks for your reply,now for FND display i mean 7 segment display having common cathode. I have tried ic CD 4511, IC 4029 for the display and common cathode 7 segment display,for long timer i am using ic CD 4060,but please if you can help me out, with any working circuit diagram.

thanks and regards
vipin